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Webster 1913 Edition

Rigidulous

Ri-gid′u-lous

,

Adj.

[Dim. from

rigid

.]

(Bot.)

Somewhat rigid or stiff;

as, a

rigidulous

bristle

.

Definition 2024

rigidulous

rigidulous

English

Adjective

rigidulous ‎(comparative more rigidulous, superlative most rigidulous)

(botany) Somewhat rigid or stiff.
a rigidulous bristle